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Klio2033 [76]
2 years ago
11

A fair coin is flipped three times. What is the probability of getting two heads and then a tail?

Mathematics
2 answers:
ycow [4]2 years ago
6 0

Answer:

the answer is 1/8, or 12.5%.

Step-by-step explanation:

Suppose you have a fair coin: this means it has a 50% chance of landing heads up and a 50% chance of landing tails up. Suppose you flip it three times and these flips are independent. What is the probability that it lands heads up, then tails up, then heads up? So the answer is 1/8, or 12.5%.

Debora [2.8K]2 years ago
3 0
2/3!

I hope this helped! Mark me Brainliest! :) -Raven❤️
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Because OP and OR trisect <NOS

so <NOP = <POR

3x - 4y = x - y so 2x = 3y

<POR = <ROS

x - y = y - 10 so x = 2y - 10

Substitue x = 2y - 10 into 2x = 3y

2(2y - 10) = 3y

4y - 20 = 3y

y = 20

x = 2y - 10 = 2(20) - 10 = 30

x = 30 and y = 20

<ROS = y - 10 = 20 - 10 = 10

Answer

<ROS = 10°

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